<!DOCTYPE html>
<html>
<head>
    <title>34章第一讲</title>
	<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
	<script type="text/javascript" src="demo.js"></script>
	<script type="text/javascript" src="base.js"></script>
</head>
<body>
	<div id="box">box</div>
	<input type="radio" value="男" name='sex' checked="checked" />
	<p>段落</p>
</body>
</html>